Intelligent Vent Control for Prioritized Server Room Cooling
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Solution Overview
Problem
Computer room air-conditioning (CRAC) systems face challenges in efficiently distributing cooling gas due to non-homogeneous heat loads, which can lead to inadequate cooling of critical components, especially when the cooling capacity is exceeded or reduced.
Innovation Solution
The system employs intelligent vent subsystems with sensors and controllers that adjust gas flow based on measured properties like temperature, humidity, and pressure, prioritizing critical components by altering vent openness to optimize cooling distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cooling gas is distributed uniformly through all vents, then the system operation is simple, but critical components with higher heat loads receive insufficient cooling
Solution Approach 1:
The patent applies local quality by making each vent independent and controllable, allowing different cooling gas flow rates to be directed to different vents based on the specific heat load requirements of nearby computer components. This enables critical components to receive prioritized cooling while non-critical components receive standard cooling, resolving the contradiction between uniform simplicity and targeted effectiveness.
Solution Approach 2:
The patent implements dynamics by making the vent openings adjustable rather than fixed, allowing the system to dynamically redistribute cooling gas flow in response to changing heat load conditions. The controller can modify vent openings in real-time to prioritize cooling for critical components when needed, transforming a static uniform distribution system into a dynamic adaptive system.
2Reliability
If cooling gas flow is increased to meet peak heat loads, then all components receive adequate cooling, but energy consumption increases
Solution Approach 1:
The patent applies local quality by directing cooling gas preferentially to vents associated with critical components that have higher heat loads or greater cooling requirements. Instead of uniformly increasing cooling across all vents, the system selectively concentrates cooling resources where most needed, maintaining reliability for critical components while avoiding unnecessary energy consumption for non-critical components.
Solution Approach 2:
The patent implements partial action by providing excessive cooling only to the extent necessary for critical components rather than uniformly to all components. The controller adjusts vent openings to deliver sufficient cooling to priority components while providing standard or reduced cooling to lower-priority components, optimizing the energy-reliability tradeoff.
3Productivity
If vent openings are adjusted to prioritize critical components, then cooling distribution is optimized, but the control system complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the cooling system into independent controllable segments (individual vents or vent groups), each associated with specific computer components. This segmentation allows the controller to manage cooling distribution in discrete, manageable units based on component priority and heat load characteristics, optimizing cooling efficiency while keeping control complexity modular and organized.
Solution Approach 2:
The patent implements feedback by using sensors to monitor properties such as temperature, humidity, and pressure, and using this information to automatically adjust vent openings. The feedback loop enables the system to autonomously optimize cooling distribution based on actual conditions, improving cooling efficiency while reducing the need for complex manual control mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures prioritized cooling for critical loads, adapts to dynamic conditions, and maintains optimal environmental parameters within the computer room, even when the cooling capacity is exceeded, thereby preventing overheating and ensuring efficient operation.
Implementation Method 1
Cooling gas provided by the air-conditioning unit can be directed through passages under a raised floor of the computer room and then through floor-tile vents into the computer room
Implementation Method 2
sensors disposed and configured to provide information regarding at least a first property associated with the computer components
Implementation Method 3
The at least a first property includes at least one of temperature, humidity, pressure, and gas flow rate
Implementation Method 4
The at least a first property includes at least one of temperature, humidity, pressure, and gas flow rate
Implementation Method 5
a controller coupled to the sensors and the vents and configured to effect a change in gas flow through a second one of the vents in accordance with a first value of the first property
Data Source
AI summary
A system for regulating gas flow for a computer room containing computer components includes vents configured to direct gas from a gas supply toward the computer components, sensors disposed and configured to provide information regarding at least a first property associated with the computer components, and a controller coupled to the sensors and the vents and configured to effect a change in gas flow through a second one of the vents in accordance with a first value of the first property associated with a first of the computer components.